login: uvm_fault(0xfffffd806bc0a440, 0x0, 0, 2) -> e kernel: page fault trap, code=0 Stopped at memcpy+0x15: repe movsq (%rsi),%es:(%rdi) ddb> ddb> set $lines = 0 ddb> set $maxwidth = 0 ddb> show panic kernel page fault uvm_fault(0xfffffd806bc0a440, 0x0, 0, 2) -> e memcpy() at memcpy+0x15 end trace frame: 0xffff80001d75a560, count: 0 ddb> trace memcpy() at memcpy+0x15 sbappendstream(fffffd805dad14b8,fffffd805dad15b0,fffffd805a478300) at sbappendstream+0x105 sys/kern/uipc_socket2.c:665 tcp_usrreq(fffffd805dad14b8,9,fffffd805a478300,0,0,ffff80001d7a7eb0) at tcp_usrreq+0x225 sys/netinet/tcp_usrreq.c:323 sosend(fffffd805dad14b8,0,ffff80001d75a7b8,0,0,80) at sosend+0x669 sys/kern/uipc_socket.c:549 dofilewritev(ffff80001d7a7eb0,4,ffff80001d75a7b8,0,ffff80001d75a8a0) at dofilewritev+0x1ab sys/kern/sys_generic.c:365 sys_write(ffff80001d7a7eb0,ffff80001d75a850,ffff80001d75a8a0) at sys_write+0x83 sys/kern/sys_generic.c:285 syscall(ffff80001d75a920) at syscall+0x507 sys/arch/amd64/amd64/trap.c:570 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7ffffd0e60, count: -8 ddb> show registers rdi 0 rsi 0xfffffd805a478370 rbp 0xffff80001d75a500 rbx 0x1 rdx 0x90 rcx 0x12 rax 0 r8 0 r9 0x5 r10 0x30c99d6046ef8502 r11 0 r12 0xfffffd805a478300 r13 0xfffffd805a478400 r14 0x1 r15 0xfffffd805dad15b0 rip 0xffffffff81bd7ba5 memcpy+0x15 cs 0x8 rflags 0x10206 __ALIGN_SIZE+0xf206 rsp 0xffff80001d75a488 ss 0x10 memcpy+0x15: repe movsq (%rsi),%es:(%rdi) ddb> show proc PROC (sshd) pid=247627 stat=onproc flags process=12 proc=0 pri=24, usrpri=50, nice=20 forw=0xffffffffffffffff, list=0xffff80001d7a8870,0xffff80001d7a7c50 process=0xffff8000ffff83b0 user=0xffff80001d755000, vmspace=0xfffffd806bc0a440 estcpu=0, cpticks=0, pctcpu=0.0 user=0, sys=0, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 97682 14329 21726 0 2 0x2 syz-executor.0 30530 36042 21726 0 2 0x482 syz-executor.1 21726 390911 77213 0 3 0x82 thrsleep syz-fuzzer 21726 12179 77213 0 3 0x4000082 nanosleep syz-fuzzer 21726 312238 77213 0 3 0x4000082 thrsleep syz-fuzzer 21726 358449 77213 0 3 0x4000082 thrsleep syz-fuzzer 21726 235888 77213 0 3 0x4000082 thrsleep syz-fuzzer 21726 41839 77213 0 2 0x4000002 syz-fuzzer 21726 11550 77213 0 3 0x4000082 thrsleep syz-fuzzer 77213 155596 52334 0 3 0x10008a pause ksh *52334 247627 50126 0 7 0x12 sshd 72343 16726 1 0 3 0x100083 ttyin getty 50126 501056 1 0 3 0x80 select sshd 34044 398314 49461 73 3 0x100090 kqread syslogd 49461 518752 1 0 3 0x100082 netio syslogd 22114 455865 1 77 3 0x100090 poll dhclient 20436 318639 1 0 3 0x80 poll dhclient 86362 90785 0 0 3 0x14200 bored smr 16269 185168 0 0 3 0x14200 pgzero zerothread 40471 199176 0 0 3 0x14200 aiodoned aiodoned 613 272870 0 0 3 0x14200 syncer update 34163 269444 0 0 3 0x14200 cleaner cleaner 449 317477 0 0 3 0x14200 reaper reaper 91898 339312 0 0 3 0x14200 pgdaemon pagedaemon 89520 439007 0 0 3 0x14200 bored crynlk 48126 229931 0 0 3 0x14200 bored crypto 78732 179627 0 0 3 0x40014200 acpi0 acpi0 26066 7919 0 0 3 0x14200 bored softnet 31653 1314 0 0 3 0x14200 bored systqmp 99196 17433 0 0 3 0x14200 bored systq 45635 398096 0 0 3 0x40014200 bored softclock 85124 479243 0 0 3 0x40014200 idle0 1 285070 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb> show all locks No such command ddb> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 9465 6330K 6588K 78643K 10636 0 pcb 13 8K 8K 78643K 23 0 rtable 105 3K 3K 78643K 202 0 ifaddr 48 11K 11K 78643K 59 0 counters 21 16K 16K 78643K 22 0 ioctlops 0 0K 2K 78643K 17 0 iov 0 0K 2K 78643K 6 0 mount 1 1K 1K 78643K 1 0 vnodes 1219 77K 77K 78643K 1261 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 2 1K 1K 78643K 2 0 VM map 2 0K 0K 78643K 2 0 sem 5 0K 1K 78643K 8 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1794 195K 288K 78643K 12646 0 file desc 4 9K 25K 78643K 68 0 proc 48 38K 63K 78643K 364 0 subproc 32 2K 2K 78643K 34 0 NFS srvsock 1 0K 0K 78643K 1 0 NFS daemon 1 16K 16K 78643K 1 0 ip_moptions 0 0K 0K 78643K 5 0 in_multi 33 2K 2K 78643K 36 0 ether_multi 1 0K 0K 78643K 3 0 mrt 0 0K 0K 78643K 2 0 ISOFS mount 1 32K 32K 78643K 1 0 MSDOSFS mount 1 16K 16K 78643K 1 0 ttys 31 148K 148K 78643K 31 0 exec 0 0K 1K 78643K 183 0 pagedep 1 8K 8K 78643K 1 0 inodedep 1 32K 32K 78643K 1 0 newblk 1 0K 0K 78643K 1 0 VM swap 7 26K 26K 78643K 7 0 UVM amap 132 23K 23K 78643K 1023 0 UVM aobj 6 2K 2K 78643K 6 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 ip6_options 0 0K 0K 78643K 6 0 NDP 7 0K 0K 78643K 12 0 temp 70 3031K 3095K 78643K 1890 0 kqueue 3 4K 8K 78643K 11 0 SYN cache 2 16K 16K 78643K 2 0 ddb> show all pools Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle arp 64 6 0 0 1 0 1 1 0 8 0 rtpcb 80 19 0 17 1 0 1 1 0 8 0 rtentry 112 45 0 1 2 0 2 2 0 8 0 unpcb 120 57 0 49 1 0 1 1 0 8 0 syncache 264 4 0 4 1 1 0 1 0 8 0 tcpqe 32 132 0 132 1 0 1 1 0 8 1 tcpcb 544 22 0 18 1 0 1 1 0 8 0 inpcb 280 74 0 67 1 0 1 1 0 8 0 ip6q 72 1 0 1 1 0 1 1 0 8 1 ip6af 40 3 0 3 1 0 1 1 0 8 1 nd6 48 6 0 0 1 0 1 1 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 188 0 0 12 0 12 12 0 8 0 art_table 32 189 0 0 2 0 2 2 0 8 0 art_node 16 44 0 4 1 0 1 1 0 8 0 semapl 112 4 0 1 1 0 1 1 0 8 0 shmpl 112 4 0 0 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 1469 0 72 88 0 88 88 0 8 0 ffsino 240 1469 0 72 83 0 83 83 0 8 0 nchpl 144 1730 0 130 60 0 60 60 0 8 0 uvmvnodes 72 1544 0 0 29 0 29 29 0 8 0 vnodes 208 1544 0 0 82 0 82 82 0 8 0 namei 1024 4288 0 4288 1 0 1 1 0 8 1 scxspl 192 4298 0 4298 1 0 1 1 0 8 1 plimitpl 152 16 0 9 1 0 1 1 0 8 0 sigapl 424 254 0 227 4 0 4 4 0 8 0 futexpl 56 754 0 754 1 0 1 1 0 8 1 knotepl 112 73 0 54 1 0 1 1 0 8 0 kqueuepl 144 10 0 8 1 0 1 1 0 8 0 pipelkpl 16 88 0 78 1 0 1 1 0 8 0 pipepl 120 176 0 157 1 0 1 1 0 8 0 fdescpl 432 240 0 227 2 0 2 2 0 8 0 filepl 120 1267 0 1172 4 0 4 4 0 8 1 lockfpl 104 15 0 14 1 0 1 1 0 8 0 lockfspl 48 7 0 6 1 0 1 1 0 8 0 sessionpl 112 17 0 7 1 0 1 1 0 8 0 pgrppl 48 17 0 7 1 0 1 1 0 8 0 ucredpl 96 69 0 62 1 0 1 1 0 8 0 zombiepl 144 227 0 226 1 0 1 1 0 8 0 processpl 920 254 0 226 4 0 4 4 0 8 0 procpl 624 300 0 266 4 0 4 4 0 8 1 sockpl 400 150 0 133 3 0 3 3 0 8 1 mcl64k 65536 4 0 4 1 0 1 1 0 8 1 mcl12k 12288 3 0 3 1 0 1 1 0 8 1 mcl8k 8192 1 0 1 1 0 1 1 0 8 1 mcl4k 4096 10 0 10 2 1 1 1 0 8 1 mcl2k 2048 64072 0 64023 22 7 15 17 0 8 8 mtagpl 80 5 0 2 2 1 1 1 0 8 0 mbufpl 256 101751 0 101667 13 3 10 10 0 8 1 bufpl 280 3144 0 138 215 0 215 215 0 8 0 anonpl 16 38364 0 23236 63 1 62 62 0 107 0 amapchunkpl 152 1161 0 1027 8 0 8 8 0 158 2 amappl16 192 1059 0 242 42 0 42 42 0 8 1 amappl15 184 1 0 0 1 0 1 1 0 8 0 amappl14 176 58 0 53 1 0 1 1 0 8 0 amappl13 168 60 0 57 1 0 1 1 0 8 0 amappl12 160 4 0 3 2 1 1 1 0 8 0 amappl11 152 46 0 36 1 0 1 1 0 8 0 amappl10 144 17 0 7 1 0 1 1 0 8 0 amappl9 136 354 0 352 1 0 1 1 0 8 0 amappl8 128 311 0 275 2 0 2 2 0 8 0 amappl7 120 108 0 94 1 0 1 1 0 8 0 amappl6 112 31 0 22 1 0 1 1 0 8 0 amappl5 104 159 0 150 1 0 1 1 0 8 0 amappl4 96 414 0 388 1 0 1 1 0 8 0 amappl3 88 107 0 98 1 0 1 1 0 8 0 amappl2 80 1133 0 1071 2 0 2 2 0 8 0 amappl1 72 14504 0 14045 23 6 17 17 0 8 7 amappl 80 540 0 498 1 0 1 1 0 84 0 dma4096 4096 1 0 1 1 1 0 1 0 8 0 dma256 256 6 0 6 1 1 0 1 0 8 0 dma128 128 253 0 253 1 1 0 1 0 8 0 dma64 64 6 0 6 1 1 0 1 0 8 0 dma32 32 7 0 7 1 1 0 1 0 8 0 dma16 16 18 0 17 1 0 1 1 0 8 0 aobjpl 64 5 0 0 1 0 1 1 0 8 0 uaddrrnd 24 240 0 227 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 240 0 227 1 0 1 1 0 8 0 vmmpekpl 168 7437 0 7413 2 0 2 2 0 8 0 vmmpepl 168 38917 0 37006 115 5 110 110 0 357 19 vmsppl 272 239 0 227 2 0 2 2 0 8 1 pdppl 4096 486 0 454 6 0 6 6 0 8 1 pvpl 32 141627 0 123111 161 0 161 161 0 265 9 pmappl 200 239 0 227 1 0 1 1 0 8 0 extentpl 40 46 0 29 1 0 1 1 0 8 0 phpool 112 245 0 13 7 0 7 7 0 8 0 ddb> machine ddbcpu 0 No such command ddb> trace memcpy() at memcpy+0x15 sbappendstream(fffffd805dad14b8,fffffd805dad15b0,fffffd805a478300) at sbappendstream+0x105 sys/kern/uipc_socket2.c:665 tcp_usrreq(fffffd805dad14b8,9,fffffd805a478300,0,0,ffff80001d7a7eb0) at tcp_usrreq+0x225 sys/netinet/tcp_usrreq.c:323 sosend(fffffd805dad14b8,0,ffff80001d75a7b8,0,0,80) at sosend+0x669 sys/kern/uipc_socket.c:549 dofilewritev(ffff80001d7a7eb0,4,ffff80001d75a7b8,0,ffff80001d75a8a0) at dofilewritev+0x1ab sys/kern/sys_generic.c:365 sys_write(ffff80001d7a7eb0,ffff80001d75a850,ffff80001d75a8a0) at sys_write+0x83 sys/kern/sys_generic.c:285 syscall(ffff80001d75a920) at syscall+0x507 sys/arch/amd64/amd64/trap.c:570 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7ffffd0e60, count: -8 ddb> machine ddbcpu 1 No such command ddb> trace memcpy() at memcpy+0x15 sbappendstream(fffffd805dad14b8,fffffd805dad15b0,fffffd805a478300) at sbappendstream+0x105 sys/kern/uipc_socket2.c:665 tcp_usrreq(fffffd805dad14b8,9,fffffd805a478300,0,0,ffff80001d7a7eb0) at tcp_usrreq+0x225 sys/netinet/tcp_usrreq.c:323 sosend(fffffd805dad14b8,0,ffff80001d75a7b8,0,0,80) at sosend+0x669 sys/kern/uipc_socket.c:549 dofilewritev(ffff80001d7a7eb0,4,ffff80001d75a7b8,0,ffff80001d75a8a0) at dofilewritev+0x1ab sys/kern/sys_generic.c:365 sys_write(ffff80001d7a7eb0,ffff80001d75a850,ffff80001d75a8a0) at sys_write+0x83 sys/kern/sys_generic.c:285 syscall(ffff80001d75a920) at syscall+0x507 sys/arch/amd64/amd64/trap.c:570 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7ffffd0e60, count: -8